مراقبة شاملة لحالة المحولات من حيث درجة الحرارة، وغازات الغازات المنبعثة من الغازات (DGA)، والتفريغ الجزئي، وتقييم حالة الأصول | واتساب: +86 13599070393 | البريد الإلكتروني: [email protected]

التطبيقات — مراقبة المحولات

مراقبة محولات المحطات الفرعية

Continuous monitoring of critical substation transformers across temperature, dissolved gases, partial discharge, bushings, OLTC, oil-system conditions and cooling performance.

لماذا هذا مهم؟

Why Continuous Monitoring Matters in Substations

Substation transformers operate under continuous loading with limited tolerance for unplanned outages, so their condition needs to be visible at all times — not just during scheduled visits.

  • Continuous loading
  • الإجهاد الحراري
  • تقادم العزل
  • Internal faults
  • تدهور الأداء بسبب الحرارة
  • تلف البطانات
  • OLTC abnormalities
  • Remote / unattended substations

Periodic inspection provides only a snapshot, while online monitoring provides condition trends between inspections — see the broader picture in مراقبة محولات الطاقة.

What Should Be Monitored on a Substation Transformer
نطاق الرصد

What Should Be Monitored on a Substation Transformer?

  • Winding & Temperature — hot spot temperature, oil temperature, cooling performance.
  • زيت المحولات — dissolved gas analysis, oil condition.
  • العزل — partial discharge.
  • البطانات — insulation condition.
  • OLTC — operating condition.
  • الخزان والملحقات — oil level, pressure, fans / pumps.
Monitor Thermal Stress Under Real Operating Load
الظروف الحرارية

Monitor Thermal Stress Under Real Operating Load

Substation transformers can experience varying and sometimes high load conditions, making direct visibility into thermal behavior important for condition assessment.

  • المناطق الساخنة المتعرجة
  • Top-oil temperature
  • ارتفاع درجة الحرارة المرتبط بالحمل
  • استجابة التبريد
  • Temperature trends
الأدلة الكيميائية

Dissolved Gas Monitoring for Developing Internal Faults

Changes in dissolved gas trends can provide chemical evidence of developing conditions inside an oil-filled substation transformer.

  • ارتفاع درجة الحرارة الداخلية
  • التفريغ الكهربائي
  • تحلل العازل
  • اتجاهات تطور الصدوع
Dissolved Gas Monitoring for Developing Internal Faults
Partial Discharge Monitoring for Insulation Risk
الأدلة الكهربائية

Partial Discharge Monitoring for Insulation Risk

Partial discharge activity can be associated with developing insulation defects inside the transformer's high-voltage structures.

  • ظهور عيوب في العزل
  • Discharge trends
  • Early abnormality indication
  • Condition assessment
المكونات الأساسية

Monitor Critical Transformer Components

Bushings and on-load tap changers can develop condition changes independently from the transformer winding and oil system. Dedicated online monitoring gives maintenance teams continuous trend information between scheduled inspections.

Transformer bushing condition monitoring in a substation

مراقبة البطانات

Online bushing monitoring provides continuous visibility into high-voltage bushing insulation condition and helps identify developing electrical abnormalities between scheduled inspections.

  • Capacitance and dielectric-condition trends
  • Leakage-current monitoring
  • Phase comparison and long-term trend review
  • Monitoring-tap signal acquisition where applicable
Transformer OLTC online monitoring system

مراقبة OLTC

Online OLTC monitoring tracks tap-changer operating behavior and helps identify developing mechanical or electrical abnormalities during repeated switching operations.

  • Motor-drive current and operating behavior
  • Tap position and switching history
  • Operation count and condition trends
  • Temperature, vibration or timing information where configured
Oil System Condition

مراقبة درجة حرارة الزيت ومستواه وضغطه

For oil-immersed substation transformers, these three parameters provide a compact view of oil-system and tank operating condition.

  • درجة حرارة الزيت — supports thermal-condition and cooling-performance assessment.
  • مستوى الزيت — helps identify abnormal oil-volume changes, oil loss or leakage.
  • الضغط — provides additional indication of abnormal tank or oil-system pressure conditions.

The integrated monitoring device combines oil temperature, oil level and pressure measurement in one unit for transformer condition monitoring.

Transformer oil temperature, oil level and pressure monitoring system
التقييم المركب

From Abnormal Signal to Maintenance Attention

الحالة الملاحظةمصدر قلق محتملالرصد ذو الصلة
ارتفاع درجة حرارة اللفMay indicate a thermal or cooling issueمراقبة درجة الحرارة
Abnormal gas trendCan help identify a developing internal faultDGA
زيادة التفريغ الجزئيMay indicate an insulation abnormalityمراقبة PD
تغير حالة الجلبةSupports assessment of insulation deteriorationمراقبة البطانات
شذوذ في OLTCقد يشير ذلك إلى وجود مشكلة ميكانيكية أو كهربائيةمراقبة OLTC
Oil level / pressure abnormalitySupports assessment of an oil-system concernمراقبة مستوى الزيت / الضغط

تساعد الإشارات الفردية في تقييم الحالة؛ وينبغي تفسيرها مجتمعةً وليس كأساس لتشخيص قائم بذاته.

العمارة

From Field Sensors to the Substation Control System

Bringing every monitored parameter into one centralized view is what separates substation-level monitoring from single-transformer monitoring.

محول محطة فرعية
درجة الحرارة
DGA
التفريغ الجزئي
جلبة
OLTC
مستوى الزيت / الضغط
التبريد
Monitoring / Data Acquisition
Gateway / Communication
SCADA / مركز التحكم / المراقبة عن بُعد
  • Centralized alarms
  • Historical trends
  • Remote visibility
  • Multi-parameter condition review
Visibility

Local Alarms and Remote Condition Visibility

Local Monitoring

  • العرض المحلي
  • الإنذار
  • Cooling status

المراقبة عن بُعد

  • Centralized alarms
  • Historical trends
  • الإشراف عن بُعد
  • Maintenance planning

Condition monitoring does not replace transformer protection.

Scale

Monitoring One Transformer or Multiple Substation Assets

Single Critical Transformer

A focused monitoring configuration built around one high-value or high-risk substation transformer.

Multiple Transformer Monitoring

A centralized configuration covering several transformers within the same substation under one monitoring and alarm view.

Monitoring architecture can scale according to transformer quantity and monitoring requirements.

Where It's Used

Typical Substation Monitoring Applications

محطات توزيع الكهرباء
High-voltage substations where transformer availability is critical to grid reliability.

محطات توزيع الكهرباء
Substations supplying end users, where continuous condition visibility supports service reliability.

Remote / Unattended Substations
Sites without permanent on-site staff, where remote monitoring is especially valuable.

Renewable Energy Substations
Substations serving wind, solar or other renewable generation with variable loading patterns.

Substation transformer monitoring supports asset visibility across المحطات الفرعية and the wider شبكة الكهرباء والمرافق العامة sector.

التخطيط

New Substation Project or Existing Transformer Retrofit?

مشروع جديد

  • Plan monitoring points
  • اختيار وظائف المراقبة
  • Plan SCADA integration

التحديث

  • مراجعة أجهزة الاستشعار الموجودة
  • Reuse suitable instruments
  • Add monitoring functions
  • Integrate existing systems where feasible
معلومات عن المشروع

What Information Helps Us Recommend a Monitoring Configuration?

معلومات عن المحولات

  • نوع المحول
  • القدرة المقدرة
  • مستوى الجهد الكهربائي
  • Quantity

Existing Equipment

  • أجهزة الاستشعار الموجودة
  • أجهزة المراقبة الحالية
  • نظام SCADA الحالي

متطلبات الرصد

  • معلمات المراقبة المطلوبة
  • مشروع جديد أم تحديث
الأسئلة الشائعة

الأسئلة الشائعة

What should be monitored on a substation transformer?

Typical parameters include winding and oil temperature, dissolved gases, partial discharge, bushing condition, OLTC condition, and oil level / pressure / cooling status.

Which parameters are most important for online monitoring?

This depends on transformer criticality, age and known concerns — critical or aging substation transformers generally benefit from broader parameter coverage.

What is the difference between protection and condition monitoring?

Protection systems act to isolate a transformer during a fault, while condition monitoring tracks ongoing trends to support maintenance planning — condition monitoring does not replace protection.

Can DGA and PD monitoring be used together?

Yes — they provide complementary chemical and electrical evidence and are often used together for a fuller condition picture.

Why monitor bushings and OLTC?

وكلاهما مكونان أساسيان يمكن أن تتعرضا لمشاكل بشكل مستقل عن عزل الملف الرئيسي، ولذلك فإنهما يستفيدان من المراقبة المخصصة.

هل يمكن إعادة استخدام مستشعرات المحولات الموجودة حالياً؟

In many retrofit cases yes, depending on sensor type, condition and compatibility with the monitoring system.

هل يمكن ربط بيانات المراقبة بنظام SCADA؟

Monitoring data can generally be made available to a substation SCADA or control system as part of the overall monitoring architecture; specific integration details depend on the project.

هل يتطلب كل محول نفس إعدادات المراقبة؟

No — the appropriate configuration depends on transformer type, criticality, operating history and site requirements.

Build the Right Monitoring Architecture for Your Substation Transformers

Send us your transformer type, quantity, existing sensors and monitoring requirements to evaluate the right configuration for your substation.

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